Home / 157,400,787.60-236,101,181.40-92,638,112.40

Finding the Fourth Proportional to 157,400,787.60, 236,101,181.40 and 92,638,112.40

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Solution

The fourth proportional to 157,400,787.60, 236,101,181.40 and 92,638,112.40 is: 138,957,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,400,787.60 : 236,101,181.40 = 92,638,112.40 : x
  2. Step 2: Convert to fraction form
    157,400,787.60/236,101,181.40 = 92,638,112.40/x
  3. Step 3: Cross multiply
    157,400,787.60x = 236,101,181.40 × 92,638,112.40
  4. Step 4: Simplify right side
    157,400,787.60x = 21,871,967,780,305,992
  5. Step 5: Solve for x
    x = 21,871,967,780,305,992/157,400,787.60
  6. Step 6: Final answer
    x = 138,957,168.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.